#include<bits/stdc++.h>
#define re return
#define rep(i,n) for(int i=0;i<n;i++)
#define ll long long
#define int ll
#define forn(i,a,n) for(int i=a;i<n;i++)
#define sz(s) (int)(s.size())
#define pii pair<int,int>
#define fr first
#define se second
using namespace std;
int n;
int r;
int cnt[100001];
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    rep(i,n){
        cin>>r;
        cnt[r]++;
    }
    int ans=0;
    forn(i,1,100001){
        if(cnt[i]>ans){
            ans=cnt[i];
        }
    }
    cout<<ans;
    re 0;
}